| 1,12 → 1,12 |
|---|
| // *************************************************************** |
| // ** Spektrum Diversity v1.0 - use up to 4 satellite receivers ** |
| // *************************************************************** |
| // ************************************************************* |
| // ** Spektrum Diversity - use up to 4 satellite receivers ** |
| // ************************************************************* |
| // ** Target: An Atmel ATtiny2313 (RC-Oscillator @ 8 MHz) ** |
| // ** controls a 74HC151 Multiplexer ** |
| // *************************************************************** |
| // ************************************************************* |
| // ** It monitors the data from 4 satellite receivers and ** |
| // ** connects a valid one to the output via the multiplexer ** |
| // *************************************************************** |
| // ************************************************************* |
| // ** LED-Modes during startup (in chronological order) ** |
| // ** ************************ ** |
| // ** LED fast blink: Waiting for first datapulse ** |
| 18,22 → 18,21 |
|---|
| // ** LED OFF: Everything is fine ** |
| // ** LED ON: FAILURE - The first selected sat had lost sync ** |
| // ** ** |
| // ** LED-Modes after Self-Test ** |
| // ** ************************* ** |
| // ** LED-Modes during Self-Test ** |
| // ** ************************** ** |
| // ** LED flashes at 1 Hz: Everything is fine ** |
| // ** LED flashes some times: Times flashed -> damaged Channel# ** |
| // ** LED off: check voltage(regulator) or firmware ** |
| // *************************************************************** |
| // ** LED flashes some times: FAILURE ** |
| // ************************************************************* |
| // ** (c) 2010-0xFFFF Stefan Pendsa ** |
| // ** License: don't know - use it and have fun ** |
| // *************************************************************** |
| // ************************************************************* |
| |
| #include <avr/io.h> |
| #include <avr/interrupt.h> |
| #include <util/delay.h> |
| |
| #define LED_OFF PORTD |= 1 << PD0 |
| #define LED_ON PORTD &= ~(1 << PD0) |
| #define LED_OFF PORTD |= 1 << PORTD0 |
| #define LED_ON PORTD &= ~(1 << PORTD0) |
| |
| volatile unsigned int TimerEvent; |
| |
| 48,8 → 47,7 |
|---|
| |
| void SelectSat(unsigned char sat) |
| { |
| PORTD = (PORTD & 0b1100111) | (sat << 3); // Select the input for 74HC151 |
| _delay_us(10); // Wait for stable state |
| PORTD = (PORTD & 0b00000001) | (sat<<3); // Select the Input for 74HC151 |
| } |
| |
| |
| 68,7 → 66,7 |
|---|
| unsigned char i = 0; |
| |
| DDRB = 0b11110000; // Sat-Pins to output |
| _delay_ms(80); // Let them time to boot up |
| _delay_ms(80); // Let them boot up |
| |
| for (i=0;i<3;i++) // send three negative 100µs pulses to all sat's |
| { |
| 93,23 → 91,23 |
|---|
| |
| PORTB = 0b01010000; // Test Pattern |
| SelectSat(0); |
| if (!(PINB & (1<<PB3))) error = 1; |
| if (!(PINB & (1<<PB3))) error++; |
| SelectSat(1); |
| if (PINB & (1<<PB3)) error = 2; |
| if (PINB & (1<<PB3)) error++; |
| SelectSat(2); |
| if (!(PINB & (1<<PB3))) error = 3; |
| if (!(PINB & (1<<PB3))) error++; |
| SelectSat(3); |
| if (PINB & (1<<PB3)) error = 4; |
| if (PINB & (1<<PB3)) error++; |
| |
| PORTB = 0b10100000; // Another (inverted) Test Pattern |
| SelectSat(0); |
| if (PINB & (1<<PB3)) error = 1; |
| if (PINB & (1<<PB3)) error++; |
| SelectSat(1); |
| if (!(PINB & (1<<PB3))) error = 2; |
| if (!(PINB & (1<<PB3))) error++; |
| SelectSat(2); |
| if (PINB & (1<<PB3)) error = 3; |
| if (PINB & (1<<PB3)) error++; |
| SelectSat(3); |
| if (!(PINB & (1<<PB3))) error = 4; |
| if (!(PINB & (1<<PB3))) error++; |
| |
| DDRB = 0b00000000; // Port B Input again |
| |
| 124,7 → 122,7 |
|---|
| } |
| else |
| { |
| for (i=0;i<error;i++) // When error occured -> Flash-Out the Errorcode |
| for (i=0;i<error;i++) // When error occured -> Flash once for every error |
| { |
| LED_ON; |
| _delay_ms(100); |
| 150,7 → 148,7 |
|---|
| DDRB = 0b00000000; // Port B Input for satellites and feedback |
| DDRD = 0b0011001; // Port D Output for MUX and LED, Input for Switch & Test |
| PORTB = 0b11110000; // Port B Pullup's for (unused) satellites |
| PORTD = 0b1100001; // Port D Pullup's for Switch & Test, LED off |
| PORTD = 0b1100001; // Port D Pullup's for Switch & Test, LED on |
| |
| for (i=0;i<4;i++) active[i] = 0; // Reset active-array |
| |
| 157,8 → 155,6 |
|---|
| if (!(PIND & (1<<PD5))) Testing(); // Initiate Self-Test when Test-Pad is low |
| if (!(PIND & (1<<PD6))) Binding(); // Initiate Binding when Bind-Button is pressed |
| |
| _delay_ms(100); |
| |
| TCCR1B = ( 1 << CS10 ); // Timer1 Prescaler = 1 -> 8,192 msec |
| TIMSK = ( 1 << TOIE1 ); // Timer1 Overflow Interrupt Enable |
| sei(); // Global Interrupts enable |